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60Cr-40Ni Alloy vs. AZ91A Magnesium

60Cr-40Ni alloy belongs to the otherwise unclassified metals classification, while AZ91A magnesium belongs to the magnesium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 60Cr-40Ni alloy and the bottom bar is AZ91A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
46
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 87
18
Tensile Strength: Ultimate (UTS), MPa 870
240
Tensile Strength: Yield (Proof), MPa 660
160

Thermal Properties

Latent Heat of Fusion, J/g 370
360
Specific Heat Capacity, J/kg-K 490
990
Thermal Expansion, µm/m-K 16
26

Otherwise Unclassified Properties

Base Metal Price, % relative 49
12
Density, g/cm3 7.8
1.7
Embodied Carbon, kg CO2/kg material 7.4
22
Embodied Energy, MJ/kg 110
160
Embodied Water, L/kg 380
990

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 1000
280
Stiffness to Weight: Axial, points 16
15
Stiffness to Weight: Bending, points 26
69
Strength to Weight: Axial, points 31
38
Strength to Weight: Bending, points 26
49
Thermal Shock Resistance, points 18
14

Alloy Composition

Aluminum (Al), % 0 to 0.25
8.3 to 9.7
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 58 to 62
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 0 to 1.0
0
Magnesium (Mg), % 0
88.2 to 91.2
Manganese (Mn), % 0 to 0.3
0.13 to 0.5
Nickel (Ni), % 34.5 to 42
0 to 0.030
Nitrogen (N), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.5
0
Zinc (Zn), % 0
0.35 to 1.0